Pen



FIG. 1 is an isometric view of a first embodiment of a pen of the present invention.

FIG. 2 is a front elevational view of the first embodiment.

FIG. 3 is a back elevational view of the first embodiment.

FIG. 4 is a top view of the first embodiment.

FIG. 5 is a bottom view of the first embodiment.

FIG. 6 is a left side elevational view of the first embodiment.

FIG. 7 is a right side elevational view of the first embodiment.

FIG. 8 is an isometric view of a second embodiment of a pen of the present invention.

FIG. 9 is a front elevational view of the second embodiment.

FIG. 10 is a back elevational view of the second embodiment.

FIG. 11 is a top view of the second embodiment.

FIG. 12 is a bottom view of the second embodiment.

FIG. 13 is a left side elevational view of the second embodiment; and,

FIG. 14 is a right side elevational view of the second embodiment.

The broken lines illustrate portions of the pen that form no part of the claimed design. 

CLAIM The ornamental design for a pen, as shown and described. 